package MainClass;



class Circle {
	 void printArea(double r){
		 System.out.println(r*r*3.1415926);
	 }
	}
	 
	class Rectangle {
		void printArea(double a,double b){
			System.out.println(a*b);
		}
	}

public class MainClass {
	public static void main(String arge[]){
		Circle circle = new Circle();
		circle.printArea(100);
		Rectangle rect = new Rectangle();
		rect.printArea(100, 65);
	}

}
